Román Belda

Román Belda

Assistant Professor
Román Belda received his degree in Computer Science in 2004 and an M.S. in Telematics in 2013 from the Universitat Politècnica de València (UPV), Spain. He obtained his Ph.D. in Telecommunications from UPV in 2021. He is currently an Associate Professor at the Universitat Politècnica de València and a member of the Institute of Telecommunications and Multimedia Applications (iTEAM). His research interests include adaptive video streaming (MPEG-DASH), low-latency and peer-assisted video delivery, Quality of Experience (QoE), mobile applications and multimedia transmission protocols.
Performance evaluation of peer-assisted MPEG-DASH streaming in multi-user mobile scenarios featured image

Performance evaluation of peer-assisted MPEG-DASH streaming in multi-user mobile scenarios

Performance evaluation of peer-assisted MPEG-DASH streaming with multiple concurrent users in mobile scenarios.

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Román Belda
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From Radio Telemetry to Perceptual Quality: A QoE-as-a-Service Framework for Multi-User OTT Streaming in 5G Vehicular Environments featured image

From Radio Telemetry to Perceptual Quality: A QoE-as-a-Service Framework for Multi-User OTT Streaming in 5G Vehicular Environments

A QoE-as-a-Service framework for 5G vehicular environments that maps radio telemetry to perceptual video quality metrics, enabling network-side QoE monitoring for OTT streaming …

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Juan Carlos Guerri
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SwarmLayer: A Hybrid P2P Assisted Solution for MPEG-DASH Streaming featured image

SwarmLayer: A Hybrid P2P Assisted Solution for MPEG-DASH Streaming

SwarmLayer is a hybrid P2P layer for MPEG-DASH that uses WebRTC and Service Workers to offload up to 96% of server traffic with no changes to existing players.

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Román Belda
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A DASH server-side delay-based representation switching solution to improve the quality of experience for low-latency live video streaming featured image

A DASH server-side delay-based representation switching solution to improve the quality of experience for low-latency live video streaming

SSRS for LL-DASH live streaming uses server-measured client request delays to adapt video quality, achieving good quality-latency trade-offs without player modifications.

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Román Belda
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Performance Evaluation and Testbed for Delivering SRT Live Content using DASH Low Latency Streaming Systems featured image

Performance Evaluation and Testbed for Delivering SRT Live Content using DASH Low Latency Streaming Systems

A testbed for evaluating LL-DASH live streaming from SRT/RTSP sources, achieving end-to-end delays under 2 seconds using FFmpeg and open-source players.

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Román Belda
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Uso de contenedores Docker en el entorno educativo featured image

Uso de contenedores Docker en el entorno educativo

Using Docker containers in university lab courses to provide reproducible, cross-platform environments that simplify deployment of complex networking scenarios for students.

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Ismael de Fez
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Mejora del streaming de vídeo en DASH con codificación de bitrate variable mediante el algoritmo Look Ahead y mecanismos de coordinación para la reproducción, y propuesta de nuevas métricas para la evaluación de la QoE featured image

Mejora del streaming de vídeo en DASH con codificación de bitrate variable mediante el algoritmo Look Ahead y mecanismos de coordinación para la reproducción, y propuesta de nuevas métricas para la evaluación de la QoE

PhD thesis proposing the Look Ahead ABR algorithm for DASH, SAND-based multi-user coordination mechanisms, and VMAF-based QoE models for adaptive video streaming.

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Román Belda
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New objective QoE models for evaluating ABR algorithms in DASH featured image

New objective QoE models for evaluating ABR algorithms in DASH

Three new objective QoE models for DASH based on PSNR and VMAF, validated subjectively and via the Look Ahead ABR algorithm, outperforming existing models.

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Ismael de Fez
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Look ahead to improve QoE in DASH streaming featured image

Look ahead to improve QoE in DASH streaming

The Look Ahead ABR algorithm for DASH streaming leverages variable bitrate information from constant-quality encodings to minimize stalls while maintaining high QoE, outperforming …

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Román Belda
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Proxy-based near real-time TV content transmission in mobility over 4G with MPEG-DASH transcoding on the cloud featured image

Proxy-based near real-time TV content transmission in mobility over 4G with MPEG-DASH transcoding on the cloud

A proxy and cloud transcoding architecture that delivers near real-time broadcast TV to mobile devices over 4G using MPEG-DASH adaptive streaming.

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Pau Arce
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